DISTILLATE FUEL Russian patent published in 1994 - IPC

FIELD: petroleum chemistry. SUBSTANCE: distillate fuel on the basis of fraction boiling out at the range 120-500 C contains 0.005-0.5 wt.-% addition mixture improving fluidity and filtration of fuel. Mixture has 25-95 wt. -% oil-soluble nitrogen-containing compound (salt of product aliphatic C₄-дикарбоновой-dicarboxylic or phthalic acid or theirs anhydrides with secondary amine containing two С₁₄-С₂₄- группы-groups) inhibiting paraffin crystal growth (С₃₀-С₃₀₀) and 5-75 wt.-% ethylenevinylacetate copolymer with vinylacetate content 13.5-36 wt.-% average molecular mass is 1000-6250 and molecular chain branching degree at the range 210 alkylmethyl group per 100 methylene groups determined by nuclear magnetic resonance method. EFFECT: enhanced quality of fuel. 2 tbl, 14 dwg